418 



H A Baker Loose Arenaceotis Sediments. . 



TABLE OF MECHANICAL ANALYSES OP THAXEl 



Locality, etc. 



Silt GEADFii. 

 Fine Silt. CoarseSili 



H. A. Bak 



i„S OF SOUTHERN SIDE 



er — Loose Arenaceous Sedhnetits. 419 



OF LONDON BASIN. 



< -0103111. 



>-01mm. 

 < •05 mm. 



Becl-lington, Surrey. Clack & Sons' pit. Upper part of 

 Thanet Sand . • • • ' ^ ' ' . t 



Beddington, Surrey. Clack & Sons' pit. Lower part of 

 Thanet Sand . • • ' / a i 



Charlton. Gilbert's pit. Upper Thanet Sand . ■ 



Charlton. Gilbert's pit. Lower Thanet Beds (Blackfoot). 



Plumstead Station. Upper part of Thanet Sand . • 



Plumstead. Proctor's pit, east of Plumstead Common. 

 Upper part of Thanet Sand 



East Wickham. Tufi & Hoar's pit. 



% wt. 

 2-37 



Thanet Sand, 



upper part 

 East Wickham. 



middle part 

 East Wickham. 



lower part . 

 East Wickham. 



Tufi & Hoar's pit. 

 Tufi & Hoar's pit. 



Thanet Sand, 

 Thanet Beds, 



% wt. 

 2-25 



9'40 



0-67 



24-17 



1-50 



23 '91 



Sand Grades. 



^st wicKnan.. Wickham Lane Brickheld. Thanet 



Sand, about 15 feet below junction with Woolwich Beds 



The "Caves", East Wickham Valley. Lower Thanet 



Beds about 10 feet above Bullhead Bed . - • 



The "Caves", East Wickham Valley. Lower Thanet 



Beds, immediately above Bullhead Bed . ■ 

 Abbey Wood. Eoadside section, Knee Hill. Uppe 



Thanet Sand, immediately below Woolwich Beds 

 Abbey Wood. Co-operative Society's Estate. Thanet 

 Beds, about 15 feet above base . ■ ' , ', -^i' 



Old Bexley. Spring Place, Dartford Lane, lioadsiae 



section in Upper Thanet Sand . . - - 



Erith. Norris'spit. Lower part of Thanet Beds . 

 Joyden's Wood, near North Cray. Thanet Sand, about 



middle of deposit i 'f - Iv 



Farningham Woods, southern part. Thanet Sand, fairiy 



high up in deposit . . . ■ - , ■ 



Swanley. Bailway cutting between Swanley Junction an: 



Farningham Eoad Station. Thanet Sand, upper part 



Swanley. Railway cutting between Swanley Junction an 



Farningham Road Station. Thanet Beds, lower part 



Stone. Stone Court, No. 3 pit, west of Cotton Lanf 



Lower part of Thanet Beds, a few feet above Chalk 

 Darenth Woods. Fox and Hounds Lane. Lower Thanet 



Beds, just above Chalk . . • - • 

 Hulbury, Lullingstone. Lee's pit. Thanet Beds, lower 



part • 



Bean. Mounts Wood denehole. Thanet Sand, uppei 

 part ......-■" 



Reculver. Clifi section. Thanet Beds, upper part 

 Pegwell Bay. Clifi section. Yellow loam, mduratea 

 Highest Thanet Beds seen, but still in lower part - 

 deposit ....•-••. 



Pegwell Bay. Clifi section. Thanet Beds, lowest part 

 just above Chalk . . . . - 



>-15mm. 

 <-2mm. 



% wt. 

 35-47 



0-92 

 14-36 



4-25 



2-77 



■11.; 



22-87 

 •1-37 



1-57 



% wt. 

 12-36 



0-48 



2-03 



% wt. 

 3-59 



2-34 



0-51 — 



-119 



-085 

 ■146 

 -059 

 -134 



-109 

 •070 



-090 

 -080 



Grading 

 Factor. 



744 Buff sand. 



•781 

 -834 

 -581 

 -835 



Remarks. 



-736 



-829 



• 748 



• 801 

 -656 



Fine yellowish-buff sand. 

 Pale sand. 



Greyish-buff coarse silty loam. 

 Pale-yellow sand. 



Pale-buff sand. 



Pale-buff sand. 



Fine, pale-coloured sand. 



Greyish-buff coarse silt. 



Fine, pale-buff sand. 



Pale-buff coarse silt. 



Pale-buff coarse silty loam. 



Pale-buff sand. 



Buff coarse silt. 



Pale-buff sand. 

 Greyish-buff coarse silt. 



Fine yellowish-buff sand. 

 Fine yellowish-buff sand. 

 Pale-buff sand. 

 Pale-coloured coarse silt. 

 Greyish-buff coarse silt. 

 Greyish-buff coarse silty loam. 

 Fine yellowish-buff sand. 



T?inP creyish-brown saml. 

 Ve"; fine yellowish-buff sand. 



(loam. 

 Yellow, calcareous, medium silty 

 Paleyellowish-greyfinesiltyloam 



